12-letter words containing a, s, o, r, t, e
- echolocators — Plural form of echolocator.
- ecotarianism — the principle or practice of avoiding eating any foods whose production or transportation are considered ecologically damaging
- ectoparasite — an external parasite (opposed to endoparasite).
- editorialise — Alternative spelling of editorialize.
- editorialist — an article in a newspaper or other periodical or on a website presenting the opinion of the publisher, writer, or editor.
- ejector seat — An ejector seat is a special seat which can throw the pilot out of a fast military aircraft in an emergency.
- elaborations — Plural form of elaboration.
- electroclash — a type of electronic music, originating in the first decade of the 21st century, that combines modern techno with synthesizer music characteristic of the 1980s
- emancipators — Plural form of emancipator.
- embrocations — Plural form of embrocation.
- encrustation — The action of encrusting or state of being encrusted.
- endocarditis — Inflammation of the endocardium.
- endoparasite — A parasite, such as a tapeworm, that lives inside its host.
- enterobiasis — a disease, common in children, caused by infestation of the large intestine with nematodes of the genus Enterobius, esp the pinworm (E. vermicularis)
- enterokinase — (enzyme) An enzyme, secreted by the upper intestinal mucosa, that catalyzes the activation of trypsinogen by converting it to trypsin.
- enterostomal — relating to enterostomy
- entoplastral — relating to an entoplastron
- entoplastron — the median plate of a turtle's plastron
- enumerations — Plural form of enumeration.
- epanorthosis — (rhetoric) A rhetorical device or element in which a speaker or writer retracts a word that has been spoken and substitutes a stronger or more suitable word; often done for emphasis or sarcasm.
- epistolarian — A writer of epistles.
- eradications — Plural form of eradication.
- eratosthenes — ?276–?194 bc, Greek mathematician and astronomer, who calculated the circumference of the earth by observing the angle of the sun's rays at different places
- ergastoplasm — endoplasm that is associated with protein synthesis
- erythematous — Of or pertaining to erythema.
- erythroblast — An immature erythrocyte containing a nucleus.
- escape route — way out: of situation
- esoterically — In an esoteric manner.
- evaporations — Plural form of evaporation.
- evisceration — A disemboweling; the removal of viscera.
- exasperation — A feeling of intense irritation or annoyance.
- excoriations — Plural form of excoriation.
- exhortations — Plural form of exhortation.
- exonerations — Plural form of exoneration.
- expectorants — Plural form of expectorant.
- explorations — Plural form of exploration.
- expropriates — Third-person singular simple present indicative form of expropriate.
- extra-strong — stronger than average; very strong
- extraditions — Plural form of extradition.
- extraneously — In an extraneous manner.
- extrapolates — Third-person singular simple present indicative form of extrapolate.
- extrasensory — Of or relating to extrasensory perception.
- extrasystole — A heartbeat outside the normal rhythm, as often occurs in normal individuals.
- extraversion — Alternative spelling of extroversion.
- extropianism — Belief in, or support for, the theory of extropy.
- factorisable — Alternative spelling of factorizable.
- fast neutron — a neutron produced by nuclear fission that has lost little energy by collision; a neutron with a kinetic energy in excess of 0.1 MeV
- fast reactor — a nuclear reactor using little or no moderator, fission being caused by fast neutrons
- favorite son — (at a national political convention) a candidate nominated for office by delegates from his or her own state.
- feather shot — fine bean shot.